The Locknut,pipe, cataloged under National Stock Number 4730-00-277-7876, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-7876 |
| Primary Part Number | 60-375-0100 |
| Item Name | Locknut,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Packing Recess Diameter | 1.313 INCHES NOMINAL IN |
| Thread Series | NPSL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Style | PIPE LOCKNUT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | COPPER ALLOY OVERALL |
| Packing Recess Depth | 0.0625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60-375-0100 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| 60-375-0100 PRIMARY | Lee Brass Co (USA) |
| Reference | Meaning |
|---|---|
| 1231-3-4 | 5/9 Secondary reference U.S. Government activity |
| FIG119-3-4 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-277-7876 is a Locknut,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-277-7876 has 2 manufacturer part numbers on file: 60-375-0100 (Flagg Stanley G & Co Inc Dba Flagg Brass), 60-375-0100 (Lee Brass Co).
4 possible matches (shared part number, not a government interchangeability claim): 1680-01-044-4775, 5330-01-260-8803, 6110-01-483-2696. Verify interchangeability with system specifications before substitution.
Key specifications for 60-375-0100: Width Across Flats: 1.500 INCHES NOMINAL IN; Packing Recess Diameter: 1.313 INCHES NOMINAL IN; Thread Series: NPSL; Thread Direction: RIGHT-HAND. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.